1) light travels in straight line a) true b) false 2) A thing that emits (gives out) light a) emits  b) source of light c) reflects d) absorbs e) luminous f) non-luminous 3) Gives out a) emits  b) source of light c) reflects d) absorbs e) luminous f) non-luminous 4) is taken in a) emits  b) source of light c) reflects d) absorbs e) luminous f) non-luminous 5) bounces off a) emits  b) source of light c) reflects d) absorbs e) luminous f) non-luminous 6) A line that shows a beam of light a) rays b) transmits c) transparent d) translucent e) opaque f) light-time 7) does not produce light a) emits  b) source of light c) reflects d) absorbs e) luminous f) non-luminous 8) produces light a) emits  b) source of light c) reflects d) absorbs e) luminous f) non-luminous 9) when light passes through an object we say it a) rays b) transmits c) transparent d) translucent e) opaque f) light-time 10) Material that allows some of the light to pass through it, light is scattered and the will be unclear a) rays b) transmits c) transparent d) translucent e) opaque f) light-time 11) Material that allows most of the light to pass through it a) rays b) transmits c) transparent d) translucent e) opaque f) light-time 12) the distance traveled by light in a given time a) rays b) transmits c) transparent d) translucent e) opaque f) light-time 13) Material that does not transmit light a) rays b) transmits c) transparent d) translucent e) opaque f) light-time 14) Clear glass, perspex and surface water are examples of  a) transparent materials b) translucent materials c) opaque materials 15) metal and wood are examples of  a) transparent materials b) translucent materials c) opaque materials 16) tissue paper, tracing paperand frosted glass are examples of a) transparent materials b) translucent materials c) opaque materials 17) what is the speed of light? a) 340 m/s b) 300,000 km/s c) 150,000 km/s 18) Can light travel through a vacuum? a) yes b) no

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